134322421 has 2 divisors, whose sum is σ = 134322422. Its totient is φ = 134322420.

The previous prime is 134322407. The next prime is 134322431. The reversal of 134322421 is 124223431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134235396 + 87025 = 11586^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 134322421 - 2²³ = 125933813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134322392 and 134322401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134322431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67161210 + 67161211.

It is an arithmetic number, because the mean of its divisors is an integer number (67161211).

Almost surely, 2^134322421 is an apocalyptic number.

It is an amenable number.

134322421 is a deficient number, since it is larger than the sum of its proper divisors (1).

134322421 is an equidigital number, since it uses as much as digits as its factorization.

134322421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 22.

The square root of 134322421 is about 11589.7550017246. The cubic root of 134322421 is about 512.1330894353.

Adding to 134322421 its reverse (124223431), we get a palindrome (258545852).

The spelling of 134322421 in words is "one hundred thirty-four million, three hundred twenty-two thousand, four hundred twenty-one".